diff --git a/packages/ChillZimbraBundle/src/Calendar/Connector/ZimbraConnector.php b/packages/ChillZimbraBundle/src/Calendar/Connector/ZimbraConnector.php
new file mode 100644
index 000000000..8652253dc
--- /dev/null
+++ b/packages/ChillZimbraBundle/src/Calendar/Connector/ZimbraConnector.php
@@ -0,0 +1,93 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\ZimbraBundle\Calendar\Connector;
+
+use Chill\CalendarBundle\Entity\Calendar;
+use Chill\CalendarBundle\Entity\CalendarRange;
+use Chill\CalendarBundle\Entity\Invite;
+use Chill\CalendarBundle\RemoteCalendar\Connector\RemoteCalendarConnectorInterface;
+use Chill\MainBundle\Entity\User;
+use Chill\ZimbraBundle\Calendar\Connector\ZimbraConnector\CreateEvent;
+use Psr\Log\LoggerInterface;
+use Symfony\Component\HttpFoundation\Response;
+
+final readonly class ZimbraConnector implements RemoteCalendarConnectorInterface
+{
+    private const LOG_PREFIX = '[ZimbraConnector] ';
+
+    public function __construct(
+        private CreateEvent $createEvent,
+        private LoggerInterface $logger,
+    ) {}
+
+    public function countEventsForUser(User $user, \DateTimeImmutable $startDate, \DateTimeImmutable $endDate): int
+    {
+        return 0;
+    }
+
+    public function getMakeReadyResponse(string $returnPath): Response
+    {
+        throw new \BadMethodCallException('Zimbra connector is always ready');
+    }
+
+    public function isReady(): bool
+    {
+        return true;
+    }
+
+    public function listEventsForUser(User $user, \DateTimeImmutable $startDate, \DateTimeImmutable $endDate, ?int $offset = 0, ?int $limit = 50): array
+    {
+        return [];
+    }
+
+    public function removeCalendar(string $remoteId, array $remoteAttributes, User $user, ?CalendarRange $associatedCalendarRange = null): void
+    {
+        // TODO: Implement removeCalendar() method.
+    }
+
+    public function removeCalendarRange(string $remoteId, array $remoteAttributes, User $user): void
+    {
+        // TODO: Implement removeCalendarRange() method.
+    }
+
+    public function syncCalendar(Calendar $calendar, string $action, ?CalendarRange $previousCalendarRange, ?User $previousMainUser, ?array $oldInvites, ?array $newInvites): void
+    {
+        if (!$calendar->hasRemoteId()) {
+            $calItemId = ($this->createEvent)($calendar);
+            $this->logger->info(self::LOG_PREFIX.'Calendar synced with Zimbra', ['calendar_id' => $calendar->getId(), 'action' => $action, 'calItemId' => $calItemId]);
+
+            $calendar->setRemoteId($calItemId);
+
+            return;
+        }
+
+        throw new \RuntimeException('Update of calendar: to be implemented');
+    }
+
+    public function syncCalendarRange(CalendarRange $calendarRange): void
+    {
+        if (!$calendarRange->hasRemoteId()) {
+            $calItemId = ($this->createEvent)($calendarRange);
+            $this->logger->info(self::LOG_PREFIX.'Calendar range synced with Zimbra', ['calendar_range_id' => $calendarRange->getId(), 'calItemId' => $calItemId]);
+
+            $calendarRange->setRemoteId($calItemId);
+            return;
+        }
+
+        throw new \RuntimeException('Update of calendar: to be implemented');
+    }
+
+    public function syncInvite(Invite $invite): void
+    {
+        // TODO: Implement syncInvite() method.
+    }
+}
diff --git a/packages/ChillZimbraBundle/src/Calendar/Connector/ZimbraConnector/CreateEvent.php b/packages/ChillZimbraBundle/src/Calendar/Connector/ZimbraConnector/CreateEvent.php
new file mode 100644
index 000000000..956b1b052
--- /dev/null
+++ b/packages/ChillZimbraBundle/src/Calendar/Connector/ZimbraConnector/CreateEvent.php
@@ -0,0 +1,64 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\ZimbraBundle\Calendar\Connector\ZimbraConnector;
+
+use Chill\CalendarBundle\Entity\Calendar;
+use Chill\CalendarBundle\Entity\CalendarRange;
+use Chill\ZimbraBundle\Exception\CalendarWithoutMainUserException;
+use Symfony\Contracts\Translation\TranslatorInterface;
+use Zimbra\Mail\Struct\InvitationInfo;
+use Zimbra\Mail\Struct\MimePartInfo;
+use Zimbra\Mail\Struct\Msg;
+
+final readonly class CreateEvent
+{
+    public function __construct(
+        private SoapClientBuilder $soapClientBuilder,
+        private CreateZimbraComponent $createEvent,
+        private TranslatorInterface $translator,
+    ) {}
+
+    public function __invoke(Calendar|CalendarRange $calendar): string
+    {
+        if ($calendar instanceof Calendar) {
+            $organizerEmail = $calendar->getMainUser()->getEmail();
+            $organizerLang = $calendar->getMainUser()->getLocale();
+        } else {
+            $organizerEmail = $calendar->getUser()->getEmail();
+            $organizerLang = $calendar->getUser()->getLocale();
+        }
+
+        if (null === $organizerEmail) {
+            throw new CalendarWithoutMainUserException();
+        }
+
+        $api = $this->soapClientBuilder->getApiForAccount($organizerEmail);
+
+        $comp = $this->createEvent->createZimbraInviteComponentFromCalendar($calendar);
+
+        $inv = new InvitationInfo();
+        $inv->setInviteComponent($comp);
+
+        $mp = new MimePartInfo();
+        $mp->addMimePart(new MimePartInfo('text/plain', $this->translator->trans('zimbra.event_created_by_chill', locale: $organizerLang)));
+
+        $msg = new Msg();
+        $msg->setSubject($this->translator->trans('zimbra.event_created_trough_soap', locale: $organizerLang))
+            ->setFolderId('10')
+            ->setInvite($inv)
+            ->setMimePart($mp);
+
+        $response = $api->createAppointment($msg, echo: true);
+
+        return $response->getCalItemId();
+    }
+}
diff --git a/packages/ChillZimbraBundle/src/Calendar/Connector/ZimbraConnector/CreateZimbraComponent.php b/packages/ChillZimbraBundle/src/Calendar/Connector/ZimbraConnector/CreateZimbraComponent.php
new file mode 100644
index 000000000..74b9c4b42
--- /dev/null
+++ b/packages/ChillZimbraBundle/src/Calendar/Connector/ZimbraConnector/CreateZimbraComponent.php
@@ -0,0 +1,102 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\ZimbraBundle\Calendar\Connector\ZimbraConnector;
+
+use Chill\CalendarBundle\Entity\Calendar;
+use Chill\CalendarBundle\Entity\CalendarRange;
+use Chill\MainBundle\Entity\Location;
+use Chill\MainBundle\Templating\Entity\AddressRender;
+use Chill\PersonBundle\Entity\Person;
+use Chill\PersonBundle\Templating\Entity\PersonRenderInterface;
+use Symfony\Contracts\Translation\TranslatorInterface;
+use Zimbra\Common\Enum\FreeBusyStatus;
+use Zimbra\Common\Enum\InviteClass;
+use Zimbra\Common\Enum\InviteStatus;
+use Zimbra\Common\Enum\Transparency;
+use Zimbra\Mail\Struct\InviteComponent;
+
+/**
+ * Class responsible for creating Zimbra invite components based on calendar data.
+ */
+final readonly class CreateZimbraComponent
+{
+    public function __construct(
+        private PersonRenderInterface $personRender,
+        private AddressRender $addressRender,
+        private DateConverter $dateConverter,
+        private TranslatorInterface $translator,
+    ) {}
+
+    /**
+     * Creates a Zimbra invite component from the provided calendar object.
+     *
+     * The method initializes a new InviteComponent object, sets its properties
+     * including name, free/busy status, status, classification, transparency,
+     * all-day and draft status, as well as start and end times. If the calendar
+     * contains a location, it also sets the location for the invite component.
+     *
+     * @param Calendar|CalendarRange $calendar a calendar object containing event data
+     *
+     * @return InviteComponent the configured Zimbra invite component
+     */
+    public function createZimbraInviteComponentFromCalendar(Calendar|CalendarRange $calendar): InviteComponent
+    {
+        if ($calendar instanceof Calendar) {
+            $subject = '[Chill] '.
+            implode(
+                ', ',
+                $calendar->getPersons()->map(fn (Person $p) => $this->personRender->renderString($p, []))->toArray()
+            );
+
+        } else {
+            $subject = $this->translator->trans('remote_calendar.calendar_range_title');
+        }
+
+        $comp = new InviteComponent();
+        $comp->setName($subject)
+            ->setFreeBusy(FreeBusyStatus::BUSY)
+            ->setStatus(InviteStatus::CONFIRMED)
+            ->setCalClass(InviteClass::PUB)
+            ->setTransparency(Transparency::OPAQUE)
+            ->setIsAllDay(false)
+            ->setIsDraft(false)
+            ->setDtStart($this->dateConverter->phpToZimbraDateTime($calendar->getStartDate()))
+            ->setDtEnd($this->dateConverter->phpToZimbraDateTime($calendar->getEndDate()));
+
+        if ($calendar->hasLocation()) {
+            $comp
+                ->setLocation($this->createLocationString($calendar->getLocation()));
+        }
+
+        return $comp;
+    }
+
+    private function createLocationString(Location $location): string
+    {
+        $str = '';
+
+        if ('' !== ((string) $location->getName())) {
+            $str .= $location->getName();
+            $str .= ', ';
+        }
+
+        if ($location->hasAddress()) {
+            if ('' !== $str) {
+                $str .= ', ';
+            }
+
+            $str .= $this->addressRender->renderString($location->getAddress(), []);
+        }
+
+        return $str;
+    }
+}
diff --git a/packages/ChillZimbraBundle/src/Calendar/Connector/ZimbraConnector/DateConverter.php b/packages/ChillZimbraBundle/src/Calendar/Connector/ZimbraConnector/DateConverter.php
new file mode 100644
index 000000000..1fdea5040
--- /dev/null
+++ b/packages/ChillZimbraBundle/src/Calendar/Connector/ZimbraConnector/DateConverter.php
@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\ZimbraBundle\Calendar\Connector\ZimbraConnector;
+
+use Zimbra\Mail\Struct\DtTimeInfo;
+
+/**
+ * Class DateConverter.
+ *
+ * Provides methods for converting PHP DateTime objects
+ * into specific date-time formats or representations.
+ */
+final readonly class DateConverter
+{
+    public const FORMAT_DATE_TIME = 'Ymd\THis';
+
+    /**
+     * Converts a PHP DateTimeInterface object into a Zimbra-specific DtTimeInfo object.
+     *
+     * @param \DateTimeInterface $date the date to be converted
+     *
+     * @return DtTimeInfo the converted DtTimeInfo object
+     */
+    public function phpToZimbraDateTime(\DateTimeInterface $date): DtTimeInfo
+    {
+        return new DtTimeInfo($date->format(self::FORMAT_DATE_TIME), $date->getTimezone()->getName());
+    }
+}
diff --git a/packages/ChillZimbraBundle/src/Calendar/Connector/ZimbraConnector/SoapClientBuilder.php b/packages/ChillZimbraBundle/src/Calendar/Connector/ZimbraConnector/SoapClientBuilder.php
new file mode 100644
index 000000000..e66c45e85
--- /dev/null
+++ b/packages/ChillZimbraBundle/src/Calendar/Connector/ZimbraConnector/SoapClientBuilder.php
@@ -0,0 +1,78 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\ZimbraBundle\Calendar\Connector\ZimbraConnector;
+
+use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
+use Symfony\Component\HttpClient\Psr18Client;
+use Symfony\Contracts\HttpClient\HttpClientInterface;
+use Zimbra\Common\Enum\AccountBy;
+use Zimbra\Common\Soap\ClientFactory;
+use Zimbra\Common\Struct\Header\AccountInfo;
+use Zimbra\Mail\MailApi;
+
+final readonly class SoapClientBuilder
+{
+    private string $username;
+
+    private string $password;
+
+    private string $url;
+
+    public function __construct(private ParameterBagInterface $parameterBag, private HttpClientInterface $client)
+    {
+        $dsn = $this->parameterBag->get('chill_calendar.remote_calendar_dsn');
+        $url = parse_url($dsn);
+
+        $this->username = urldecode($url['user']);
+        $this->password = urldecode($url['pass']);
+        if ('zimbra+http' === $url['scheme']) {
+            $scheme = 'http://';
+            $port = $url['port'] ?? 80;
+        } elseif ('zimbra+https' === $url['scheme']) {
+            $scheme = 'https://';
+            $port = $url['port'] ?? 443;
+        } else {
+            throw new \Symfony\Component\DependencyInjection\Exception\InvalidArgumentException('Unsupported remote calendar scheme: '.$url['scheme']);
+        }
+
+        $this->url = $scheme.$url['host'].':'.$port;
+    }
+
+    private function buildApi(): MailApi
+    {
+        $baseClient = $this->client->withOptions([
+            'base_uri' => $location = $this->url.'/service/soap',
+            'verify_host' => false,
+            'verify_peer' => false,
+        ]);
+        $psr18Client = new Psr18Client($baseClient);
+        $api = new MailApi();
+        $client = ClientFactory::create($location, $psr18Client);
+        $api->setClient($client);
+
+        return $api;
+    }
+
+    public function getApiForAccount(string $accountName): MailApi
+    {
+        $api = $this->buildApi();
+        $response = $api->authByAccountName($this->username, $this->password);
+
+        $token = $response->getAuthToken();
+
+        $apiBy = $this->buildApi();
+        $apiBy->setAuthToken($token);
+        $apiBy->setTargetAccount(new AccountInfo(AccountBy::NAME, $accountName));
+
+        return $apiBy;
+    }
+}
diff --git a/packages/ChillZimbraBundle/src/ChillZimbraBundle.php b/packages/ChillZimbraBundle/src/ChillZimbraBundle.php
index 0e2690117..b49e7e8af 100644
--- a/packages/ChillZimbraBundle/src/ChillZimbraBundle.php
+++ b/packages/ChillZimbraBundle/src/ChillZimbraBundle.php
@@ -1,10 +1,16 @@
 <?php
 
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
 namespace Chill\ZimbraBundle;
 
 use Symfony\Component\HttpKernel\Bundle\Bundle;
 
-class ChillZimbraBundle extends Bundle
-{
-
-}
+class ChillZimbraBundle extends Bundle {}
diff --git a/packages/ChillZimbraBundle/src/DependencyInjection/ChillZimbraExtension.php b/packages/ChillZimbraBundle/src/DependencyInjection/ChillZimbraExtension.php
index b1b6fc2fc..0a5f84ed8 100644
--- a/packages/ChillZimbraBundle/src/DependencyInjection/ChillZimbraExtension.php
+++ b/packages/ChillZimbraBundle/src/DependencyInjection/ChillZimbraExtension.php
@@ -1,5 +1,14 @@
 <?php
 
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
 namespace Chill\ZimbraBundle\DependencyInjection;
 
 use Symfony\Component\Config\FileLocator;
@@ -14,5 +23,4 @@ class ChillZimbraExtension extends Extension
         $loader = new YamlFileLoader($container, new FileLocator(__DIR__.'/../config'));
         $loader->load('services.yaml');
     }
-
 }
diff --git a/packages/ChillZimbraBundle/src/Exception/CalendarWithoutMainUserException.php b/packages/ChillZimbraBundle/src/Exception/CalendarWithoutMainUserException.php
new file mode 100644
index 000000000..01314a62b
--- /dev/null
+++ b/packages/ChillZimbraBundle/src/Exception/CalendarWithoutMainUserException.php
@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\ZimbraBundle\Exception;
+
+class CalendarWithoutMainUserException extends \RuntimeException {}
diff --git a/packages/ChillZimbraBundle/src/config/services.yaml b/packages/ChillZimbraBundle/src/config/services.yaml
index df41887f2..d397f1a3b 100644
--- a/packages/ChillZimbraBundle/src/config/services.yaml
+++ b/packages/ChillZimbraBundle/src/config/services.yaml
@@ -6,3 +6,6 @@ services:
     Chill\ZimbraBundle\Command\:
         resource: '../Command'
         tags: ['console.command']
+
+    Chill\ZimbraBundle\Calendar\:
+        resource: '../Calendar'
diff --git a/packages/ChillZimbraBundle/src/translations/messages+icu-intl.fr.yaml b/packages/ChillZimbraBundle/src/translations/messages+icu-intl.fr.yaml
new file mode 100644
index 000000000..4bcacc84b
--- /dev/null
+++ b/packages/ChillZimbraBundle/src/translations/messages+icu-intl.fr.yaml
@@ -0,0 +1,3 @@
+zimbra:
+    event_created_by_chill: Événement créé par Chill
+    event_created_trough_soap: Événement créé via l'API SOAP
diff --git a/src/Bundle/ChillCalendarBundle/Entity/CalendarRange.php b/src/Bundle/ChillCalendarBundle/Entity/CalendarRange.php
index 12f3ed7e7..34cd5623a 100644
--- a/src/Bundle/ChillCalendarBundle/Entity/CalendarRange.php
+++ b/src/Bundle/ChillCalendarBundle/Entity/CalendarRange.php
@@ -107,6 +107,11 @@ class CalendarRange implements TrackCreationInterface, TrackUpdateInterface
         return $this;
     }
 
+    public function hasLocation(): bool
+    {
+        return null !== $this->location;
+    }
+
     public function setLocation(?Location $location): self
     {
         $this->location = $location;